CN204258082U - A kind of reactive power compensation case possessing redundant power - Google Patents
A kind of reactive power compensation case possessing redundant power Download PDFInfo
- Publication number
- CN204258082U CN204258082U CN201420844751.7U CN201420844751U CN204258082U CN 204258082 U CN204258082 U CN 204258082U CN 201420844751 U CN201420844751 U CN 201420844751U CN 204258082 U CN204258082 U CN 204258082U
- Authority
- CN
- China
- Prior art keywords
- reactive power
- module
- circuit breaker
- door
- compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The compensation box that the utility model provides, have employed the door-plate laterally slided, when staff is in work high above the ground, the door-plate laterally slided makes that door-plate switch is convenient, safety, and louvre may be used for distributing the heat that in reactive power compensation case, electric elements produce, the fly net in louvre is used for preventing mosquito, toy etc. from entering box house and causes short circuit; The reactive power compensator possessing redundant power of device in this case, by arranging idle compensating control, the data analysis obtained current transformer, contrast, regulate combination switch and miniature circuit breaker, form feedback loop, improve surge protective efficacy and the coefficient of safety of reactive power compensation case; Owing to adding power supply redundancy, when a power module electricity exhausts or breaks down wherein, redundant power module can be adopted to replace, and therefore in the utility model, electric energy reserves are larger, coefficient of safety is higher, more can be applicable to outdoor reactive power compensation for a long time.
Description
Technical field
The utility model relates to reactive power compensation field, particularly possesses the reactive power compensation case of redundant power.
Background technology
In reactive power compensation, compensation precision embodies the efficiency of effective compensation, the lower meeting of compensation precision causes undercompensation or crosses the phenomenon of mending, and can consume a large amount of power in this process, reduces the efficiency of effective compensation, when load is more stable, its impact is especially obvious; And can capacity load be increased.
Reactive power compensation case is generally used for open air and carries out reactive power compensation, and power consumption is large in addition, therefore needs the high and reactive power compensation case that compensation precision is high of a kind of protective efficacy badly, and can realize outdoor reactive power compensation for a long time.
Reactive power compensation case of the prior art generally adopts protector of surging to carry out protection of surging, and to improve the fail safe of reactive power compensation case, but its protection limit is less, cannot be applicable to the demand of outdoor reactive power compensation.
And the mode that the reactive power compensation case in the complete assembling of traditional reactive-load compensation equipment opens the door is plug-type, if like this in work high above the ground, very inconvenient, also may cause accident; In addition in reactive power compensation box body equipment, electric elements belong to heater element, casing is needed to possess certain heat sinking function, tradition reactive power compensation heat radiation only considers radiating effect, but certain degree of protection must be possessed as outdoor equipment, if louvre is excessive have impact to degree of protection equally, causes toy to enter and cause short circuit to increase manual maintenance expense.
Summary of the invention
In view of this, the reactive power compensation case of what the utility model provided possess redundant power, in case, device possesses power supply redundancy, electric energy reserves are large, coefficient of safety is high and compensation precision is high, this case is when maintenance, door-plate is not easy to clip to people, user's operating process is convenient, safety, also facilitates heat radiation and has also prevented animal from entering casing simultaneously, damages the equipment of the inside.
The technical solution of the utility model is achieved in that a kind of reactive power compensation case possessing redundant power, comprise casing, door-plate, fly net and compensation arrangement, described casing and door-plate are slidably connected, and body side is evenly distributed with louvre, are equipped with fly net in louvre; Door-plate is provided with handle.
Described fly net is 0.1*0.1mm network.
The lower edge of described box opening side is provided with chute, and the correspondence position of door-plate is provided with slide block.
Described box house is equipped with compensation arrangement; Described compensation arrangement comprises the first power module, second source module, control module and compensating module, and described control module connects the first power module and second source module by duplexer timesharing, and compensating module and control module are electrically connected; Described control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and described idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
Further, control module also comprises protector of surging, described in protector of surging be connected in series current transformer.
Further, compensating module comprises capacitor, and described capacitor is self healing capacitor.
Further, the first power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, and described first supply unit and the first circuit breaker, the first lightning arrester are electrically connected;
Described second source module comprises second source device, the second circuit breaker and the second lightning arrester, and described second source device and the second circuit breaker, the second lightning arrester are electrically connected.
Further, power module is provided with primary connection terminal, and described control module is provided with secondary wiring terminals.
Further, combination switch is thyristor.
Further, circuit breaker is mold cased circuit breaker.
Beneficial effect:
1, the compensation box that provides of the utility model, have employed the door-plate laterally slided, when staff is in work high above the ground, the door-plate laterally slided makes that door-plate switch is convenient, safety, and louvre may be used for distributing the heat that in reactive power compensation case, electric elements produce, the fly net in louvre is used for preventing mosquito, toy etc. from entering box house and causes short circuit;
The reactive power compensator possessing redundant power of device in this case, by arranging idle compensating control, the data analysis that current transformer is obtained, contrast, regulate combination switch and miniature circuit breaker, form feedback loop, while guarantee reaction speed, improve the protective efficacy of surging of reactive power compensation case, greatly improve the coefficient of safety of reactive power compensation case; While protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensation case.
2, the utility model adds power supply redundancy, when a power module electricity exhausts or breaks down wherein, redundant power module can be adopted to replace, and therefore in the utility model, electric energy reserves are larger, coefficient of safety is higher, more can be applicable to outdoor reactive power compensation for a long time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that the chamber door of the utility model embodiment splits structural representation;
Fig. 3 is the fly net structure chart of the reactive power compensation case of the utility model embodiment;
Fig. 4 is the module frame chart possessing the reactive power compensator of redundant power in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The novel reactive power compensation case of one as shown in Figure 1, 2, 3, comprise casing, door-plate and fly net, the lower edge of box opening side is provided with chute, the correspondence position of door-plate is provided with slide block, body side is evenly distributed with louvre, be equipped with the fly net of 0.1*0.1mm network in louvre, door-plate is provided with handle.The staff that being slidably connected of casing and door-plate can make is safer when work high above the ground, and louvre is used for distributing the heat that in casing, electric elements produce, try to avert accidents, fly net in louvre is used for preventing mosquito, toy etc. from entering box house and causes short circuit, handle Convenient switch door.
When staff is in work high above the ground, the door-plate laterally slided makes that door-plate switch is convenient, safety, and louvre may be used for distributing the heat that in reactive power compensation case, electric elements produce, the fly net in louvre is used for preventing mosquito, toy etc. from entering box house and causes short circuit.
The reactive power compensator possessing redundant power is housed in this case, as shown in Figure 4, comprise the first power module, second source module, control module and compensating module, control module connects the first power module and second source module by duplexer timesharing, and compensating module and control module are electrically connected; Control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
Wherein control module also comprises protector of surging, and protector of surging is connected in series current transformer.
Container is self healing capacitor.
First power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, and the first supply unit and the first circuit breaker, the first lightning arrester are electrically connected.
Second source module comprises second source device, the second circuit breaker and the second lightning arrester, and second source device and the second circuit breaker, the second lightning arrester are electrically connected.
Power module is provided with primary connection terminal, and control module is provided with secondary wiring terminals.
Combination switch is thyristor.
Circuit breaker is mold cased circuit breaker.
The utility model, by the feedback loop of idle compensating control, current transformer, combination switch and miniature circuit breaker composition in control module, adopts dynamic passive compensation mode, is applicable to the fluctuation of load than in situation more frequently; And the utility model also has a point function of mending, do good compensation can to some unbalanced loads; It is faster that reaction speed of the present utility model compares static reactive power compensation mode; The situation larger in some fluctuations of load can compensate targetedly; Compensation precision is high, and can increase capacity load.
Power module realizes the power supply of control module and compensating module and once protects, and plays Main Function to the overall switching of reactive-load compensation equipment.
Compensating module is according to loading condiction parallel connection or be connected in series in control module.
Control module to be sampled to power network current mainly through current transformer and is inputted idle compensating control, the electric current that idle compensating control collects current transformer is analyzed, is stored, and contrast setup parameter value output switching signal, and by switching signal transmission in combination switch, in switching process, auxiliary contact first closes, the resistance of connecting with auxiliary contact makes capacitor precharge, and then main contact closes again, thus shoving when limiting capacitance device drops into; Thyristor is realized voltage zero-cross input and excises with current over-zero by combination switch exactly.
Compensating module is formed primarily of self healing capacitor, self healing capacitor adopts single-layer polypropylene film as medium, and the surperficial evaporation thin metal of one deck is as conductive electrode.When applying too high voltage, polypropylene screen electricity weakness is breakdown, and breakdown point impedance obviously reduces, the current density flow through sharply increases, and make metallization coating produce high heat, the metallic conductor around breakdown point evaporates loss rapidly, form coat of metal clear area, breakdown point recovers insulation automatically.
The reactive power compensation case of what the utility model provided possess redundant power, by arranging idle compensating control, the data analysis that current transformer is obtained, contrast, regulate combination switch and miniature circuit breaker, form feedback loop, while guarantee reaction speed, improve the protective efficacy of surging of reactive power compensation case, greatly improve the coefficient of safety of reactive power compensation case; While protection is surged in adjustment, improve compensation precision and the capacity load recruitment of reactive power compensation case.
The utility model have employed the first power module and second source module two power modules, form main standby redundancy, when a power module electricity exhausts or breaks down wherein, duplexer timesharing can be adopted to connect another one power module replace, therefore in the utility model, electric energy reserves are larger, coefficient of safety is higher, more can be applicable to outdoor reactive power compensation for a long time.
Certainly; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art should make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (7)
1. possess a reactive power compensation case for redundant power, it is characterized in that, comprise casing, door-plate, fly net and compensation arrangement, described casing and door-plate are slidably connected, and body side is evenly distributed with louvre, are equipped with fly net in louvre; Door-plate is provided with handle;
Described fly net is 0.1*0.1mm network;
The lower edge of described box opening side is provided with chute, and the correspondence position of door-plate is provided with slide block;
Described box house is equipped with compensation arrangement; Described compensation arrangement comprises the first power module, second source module, control module and compensating module, and described control module connects the first power module and second source module by duplexer timesharing, and compensating module and control module are electrically connected; Described control module comprises idle compensating control, current transformer, combination switch and miniature circuit breaker, and described idle compensating control connects current transformer, combination switch and miniature circuit breaker respectively.
2. the reactive power compensation case possessing redundant power according to claim 1, is characterized in that: described control module also comprises protector of surging, described in protector of surging be connected in series current transformer.
3. the reactive power compensation case possessing redundant power according to claim 1, is characterized in that: described compensating module comprises capacitor, described capacitor is self healing capacitor.
4. the reactive power compensation case possessing redundant power according to claim 1, it is characterized in that: described first power module comprises the first supply unit, the first circuit breaker and the first lightning arrester, described first supply unit and the first circuit breaker, the first lightning arrester are electrically connected;
Described second source module comprises second source device, the second circuit breaker and the second lightning arrester, and described second source device and the second circuit breaker, the second lightning arrester are electrically connected.
5. the reactive power compensation case possessing redundant power according to claim 1, it is characterized in that: described power module is provided with primary connection terminal, described control module is provided with secondary wiring terminals.
6. the reactive power compensation case possessing redundant power according to claim 1, is characterized in that: described combination switch is thyristor.
7. the reactive power compensation case possessing redundant power according to claim 4, is characterized in that: described circuit breaker is mold cased circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844751.7U CN204258082U (en) | 2014-12-25 | 2014-12-25 | A kind of reactive power compensation case possessing redundant power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420844751.7U CN204258082U (en) | 2014-12-25 | 2014-12-25 | A kind of reactive power compensation case possessing redundant power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258082U true CN204258082U (en) | 2015-04-08 |
Family
ID=52962350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420844751.7U Expired - Fee Related CN204258082U (en) | 2014-12-25 | 2014-12-25 | A kind of reactive power compensation case possessing redundant power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204258082U (en) |
-
2014
- 2014-12-25 CN CN201420844751.7U patent/CN204258082U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |